Classification of color early warning grades for weather forecast

Weather color warning grades are divided into four grades: blue, yellow, orange and red.

1, blue

The blue warning is the lowest level of warning. It usually means that the weather has changed slightly, which may have a certain impact on people's lives, but it will not pose an obvious threat to personal safety. For example, the blue warning may be due to short-term heavy rainfall, local thunderstorms or slight winds.

2. yellow

The yellow warning is a moderate warning. It indicates that there will be obvious changes in the weather, which may have an adverse impact on people's lives and have certain security risks. Yellow warning common meteorological disasters are gale, hail, thunderstorm and gale, heavy snow, etc. At this time, people need to be vigilant and pay attention to protective measures.

3. Citrus

The orange warning is a higher level warning. It said that the weather conditions will be very bad, which may pose a serious threat to people's lives and property. Orange warning is often used for weather disasters such as rainstorm, blizzard, fog, sandstorm and freezing. When the orange warning is issued, people should immediately take necessary protective measures and quickly move to a safe area.

4. Red

The red warning is the highest level of warning. It means that extreme weather conditions will come and pose a serious threat to people's lives and property. Red warning is usually used for severe storms, heavy snow, typhoons, tornadoes and other weather disasters. After the red warning is issued, people must take the most urgent action immediately to avoid dangerous areas and ensure their own lives.

The role of color scale in meteorological early warning

1, which can provide clear risk warning.

Different colors represent different weather conditions and risk levels. People can have a clear understanding of the current weather conditions by observing the early warning color scale, so as to take corresponding preventive measures. For some weather conditions that may threaten people's lives and property, such as heavy rain, typhoon, blizzard, etc. The early warning function of meteorological early warning color level is particularly important.

It can help people to plan and arrange their daily life better.

Different warning levels with different colors represent different risk levels. People can adjust their travel plans and outdoor activities according to the warning level to reduce the impact of weather on daily life. For some people who need to go out to work or go to school, adjusting the travel time according to the color level of meteorological warning can avoid being affected by bad weather.